Feb. 13, 2017: Abby Williams and Libby German were reported missing after they failed to meet a family member who came to pick them up after an afternoon of hiking on the wooded Monon High Bridge trail, just northeast of Delphi. The eighth-graders were using the day off from Delphi Community Middle School to walk to the Monon High Bridge, an abandoned railroad trestle 63 feet high, on an unseasonably warm Monday. Police and volunteers searched the trails and areas near Deer Creek until things were called off because of darkness.

Feb. 14, 2017: Around noon, during a massive search involving police and volunteers, two bodies are found about a half-mile from Monon High Bridge. Police don’t confirm the identities but say they have reason to suspect foul play. More than 700 people turn out for a prayer vigil that night at Delphi United Methodist Church.

This man, captured on Liberty German's cell phone about the time of her death, is a suspect in Delphi's double homicide investigation.(Photo: Provided)

Feb. 15, 2017: Police confirm that the bodies found were those of Abigail Williams, 13, and Liberty German, 14. Police say they are investigating the case as a double homicide. Police also release a grainy picture of a man on the Monon High Bridge the day the girls disappeared. A few days later, police say the man in the photo is considered a suspect.

Feb. 18, 2017: Delphi Community High School hosts a public visitation for the girls. Earlier in the day, an estimated 4,000 motorcyclists cruised through Delphi during a memorial ride for Williams and German.

Feb. 22, 2017: Police reveal that German used her cellphone to record video and audio of the suspect. They release a snippet of audio of a man saying, “Down the hill,” hoping someone will recognize the voice. Indiana State Police Sgt. Tony Slocum says of the clue German left behind: “This young lady is a hero, there is no doubt. "To have enough presence of mind to activate that video system on her cellphone, to record what we believe is criminal behavior that's about to occur." The reward offered in the case hits $41,000. Investigators say briefings in the case have been shared twice with FBI Director James Comey and daily with Gov. Eric Holcomb. By the end of the week, investigators report that they’d received nearly 10,000 tips in the case.

March 9, 2017: Mike Patty, Libby German’s grandfather, in an effort to keep attention on the case, makes a plea for the public to take another look at the picture of the man on the bridge and to listen to the audio clip. Police report that 25 local, state and federal agencies were involved in the investigation. The reward fund surges to more than $200,000.

May 7, 2017: A group of Delphi congregations organize a community trail day, with 100 people walking the Monon High Bridge trail the girls hiked the day they were killed. “The reality is that evil happened here, and so we want to reclaim this ground,” said the Rev. Todd Ladd, pastor of Delphi United Methodist Church.

May 13, 2017: The community hosts Abby & Libby Celebration of Life at Delphi Community High School, with concerts, an auction and raffles meant to raise money for a softball complex planned in memory of the girls.

A sketch released by police Monday, July 17, 2017, of a man believed to be connected to murder of Liberty German and Abigail Williams last February in Delphi, Ind. The bodies of German, 14, and Williams, 13, were found a day after they were hiking near Monon High Bridge east of Delphi. (Photo: John Terhune/Journal & Courier)

July 17, 2017: Indiana State Police release a composite sketch of the suspect. The portrait was drawn by an FBI sketch artist, based on what police described as “recent information” from a witness who saw the suspect about the time of the girls’ deaths. Police also give a description of the suspect: a white male between 5-foot-6 and 5-foot-10, weighing 180 to 200 pounds, with reddish brown hair and an unknown eye color.

July 19, 2017: Indiana State Police try to stop what they call amateur sleuthing, as people post photos of men who look like the suspect in the sketch on social media sites. “They are placing themselves in legal jeopardy, and they are doing absolutely nothing to help the investigation,” Capt. Dave Bursten, ISP's chief public information officer, said. Police continue to make similar pleas as the investigation rolls on.

Sept. 17, 2017:Daniel Nations, arrested in Colorado for making threats on a trail, is called a person of interest in the Delphi investigation. Police never name Nations as a suspect and later say they were no longer investigating him in connection with the Delphi case. By January 2018, Nations had pleaded guilty to menacing and a weapons possession charge in the Colorado case. In February 2018, police in Indiana went to Colorado to collect Nations and book him into the Johnson County Jail on a warrant tied to his failure to register as a sex offender.

Dec. 14, 2017: Families of German and Williams appear on the “Dr. Phil Show” to tell the girls’ story. Police report they’d received another 140 tips in the days since the syndicated afternoon talk show aired.

April 22, 2019: Police release an updated sketch of a suspect, saying he was in his mid-20s to mid-30s, based on evidence taken from Libby's cell phone. Police also release video and updated audio of the suspect, also taken from Libby's phone. ISP Superintendent Doug Carter says police believe the suspect is either from Delphi, was from Delphi or worked in Delphi. Police also were looking for information about a vehicle found abandoned on Carroll County 300 North, near the Hoosier Heartland Highway, on Feb. 13, 2019. Police did not release a description of the vehicle.

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Abigail Williams, 13, and Liberty German, 14, both of Delphi, were killed Feb. 13 on trails east of the city. Parents and kids remain on edge because the girls' killer remains on the loose.
Provided
Abigail Williams, 13, and Liberty German, 14, both of Delphi, were killed Feb. 13 on trails east of the city. Parents and kids remain on edge because the girls' killer remains on the loose. Provided, Provided

Liberty German, 14, and Abigail Williams, both of Delphi, were killed Feb. 13 on trails east of the city. Parents and kids remain on edge because the girls' killer remains on the loose. Provided, Provided

Provided
This man, captured on Liberty German's cell phone about the time of her death, is a suspect in Delphi's double homicide investigation.
This man, captured on Liberty German's cell phone about the time of her death, is a suspect in Delphi's double homicide investigation. Provided, Provided

A sketch released by police Monday, July 17, of a man believed to be connected to murder of Liberty German and Abigail Williams last February.
A sketch released by police Monday, July 17, 2017, of a man believed to be connected to murder of Liberty German and Abigail Williams last February. The bodies of German, 14, and Williams, 13, were found a day after they were hiking near Monon High Bridge east of Delphi. John Terhune/Journal & Courier, John Terhune/Journal & Courier

Residents gather outside the Delphi Fire Department Tuesday, February 14, 2017, in Delphi. At an afternoon press conference, police said searchers found two bodies around 12:15 Tuesday next to Dear Creek. Foul play is suspected, however, police would not say whether the bodies were that of missing Delphi teens Liberty German, 13, and Abigail Williams, 13. John Terhune/Journal & Courier

Carroll County Sheriff Tobe Leaszenby, from left, Delphi Police Chief Steve Mullins and Sgt. Kim Riley of the Indiana State Police announce that two bodies had been found next to Deer Creek Tuesday, February 14, 2017, east of Delphi. Riley said foul play is suspected, however, he would not say if the bodies were that of missing Delphi teens Liberty German and Abigail Williams, both 13. John Terhune/Journal & Courier

Carroll County Sheriff Tobe Leaszenby discusses the news that two bodies had been found along Deer Creek Tuesday, February 14, 2017, east of Delphi. Riley said foul play is suspected, however, he would not say if the bodies were that of missing Delphi teens Liberty German and Abigail Williams, both 13. John Terhune/Journal & Courier

Sgt. Kim Riley of the Indiana State Police announces that two bodies had been found next to Deer Creek Tuesday, February 14, 2017, east of Delphi. Riley said foul play is suspected, however, he would not say if the bodies were that of missing Delphi teens Liberty German and Abigail Williams, both 13. John Terhune/Journal & Courier

The trail head of the Monon High Bridge Trail Tuesday, February 21, 2017, just east of Delphi. Delphi teens Liberty German, 14, and Abigail Williams, 13, were hiking the Delphi Historic Trails the afternoon of February 13, but did not show up when relatives arrived later to pick them up. The girls were reported missing at 5:30 p.m. Their bodies were discovered by searchers about 12:15 p.m. Tuesday east of High Bridge and about 50 feet north of Deer Creek. John Terhune/Journal & Courier

A bouquet of flowers placed below a sign marking the Monon High Bridge Trail Tuesday, February 21, 2017, just east of Delphi. Delphi teens Liberty German, 14, and Abigail Williams, 13, were hiking the Delphi Historic Trails the afternoon of February 13, but did not show up when relatives arrived later to pick them up. The girls were reported missing at 5:30 p.m. Their bodies were discovered by searchers about 12:15 p.m. Tuesday east of High Bridge and about 50 feet north of Deer Creek. John Terhune/Journal & Courier

The Monon High Bridge Trail trail Tuesday, February 21, 2017, just east of Delphi. Delphi teens Liberty German, 14, and Abigail Williams, 13, were hiking the Delphi Historic Trails the afternoon of February 13, but did not show up when relatives arrived later to pick them up. The girls were reported missing at 5:30 p.m. Their bodies were discovered by searchers about 12:15 p.m. Tuesday east of High Bridge and about 50 feet north of Deer Creek. John Terhune/Journal & Courier

Flowers next to Monon High Bridge in memory of Liberty German and Abigail Williams Tuesday, February 21, 2017, on the Monon High Bridge Trail just east of Delphi. German, 14, and Williams, 13, were hiking the Delphi Historic Trails the afternoon of February 13, but did not show up when relatives arrived later to pick them up. The girls were reported missing at 5:30 p.m. Their bodies were discovered by searchers about 12:15 p.m. Tuesday east of High Bridge and about 50 feet north of Deer Creek. John Terhune/Journal & Courier

Flowers next to Monon High Bridge in memory of Liberty German and Abigail Williams Tuesday, February 21, 2017, on the Monon High Bridge Trail just east of Delphi. German, 14, and Williams, 13, were hiking the Delphi Historic Trails the afternoon of February 13, but did not show up when relatives arrived later to pick them up. The girls were reported missing at 5:30 p.m. Their bodies were discovered by searchers about 12:15 p.m. Tuesday east of High Bridge and about 50 feet north of Deer Creek. John Terhune/Journal & Courier

Ribbons in memory of Liberty German and Abigail Williams remain scattered throughout downtown Delphi Tuesday, March 14, 2017, one month after the girl's bodies were found along Deer Creek about a half mile upstream from the Monon High Bridge. John Terhune/Journal & Courier

Ribbons in memory of Liberty German and Abigail Williams remain scattered throughout downtown Delphi Tuesday, March 14, 2017, one month after the girl's bodies were found along Deer Creek about a half mile upstream from the Monon High Bridge. John Terhune/Journal & Courier

Ribbons with tiny bears in memory of Liberty German and Abigail Willaims are wrapped around trees Tuesday, February 21, 2017, at the corner of East Main and South Wilson streets in Delphi. Delphi teens German, 14, and Williams, 13, were hiking the Delphi Historic Trails the afternoon of February 13, but did not show up when relatives arrived later to pick them up. The girls were reported missing at 5:30 p.m. Their bodies were discovered by searchers about 12:15 p.m. Tuesday east of High Bridge and about 50 feet north of Deer Creek. John Terhune/Journal & Courier

A simple note written on a sandwich board calls for justice for Liberty German and Abigail Willaims Tuesday, February 21, 2017, outside the Stone House Restaurant & Bakery in downtown Delphi. Delphi teens German, 14, and Williams, 13, were hiking the Delphi Historic Trails the afternoon of February 13, but did not show up when relatives arrived later to pick them up. The girls were reported missing at 5:30 p.m. Their bodies were discovered by searchers about 12:15 p.m. Tuesday east of High Bridge and about 50 feet north of Deer Creek. John Terhune/Journal & Courier

Sgt. Tony Slocum of the Indiana State Police is joined by law enforcement officials from numerous departments to provide the latest details of the investigation into the murders of Liberty German and Abigail Williams Wednesday, February 22, 2017, at Delphi United Methodist Church in Delphi. German and Williams murdered last week as they hiked the Monon High Bridge Trail just east of Delphi. Police released an audio clip believed to be that of the girl's killer taken from Liberty German's cellphone. John Terhune/Journal & Courier

Sgt. Tony Slocum of the Indiana State Police is joined by law enforcement officials from numerous departments to provide the latest details of the investigation into the murders of Liberty German and Abigail Williams Wednesday, February 22, 2017, at Delphi United Methodist Church in Delphi. German and Williams murdered last week as they hiked the Monon High Bridge Trail just east of Delphi. Police released an audio clip believed to be that of the girl's killer taken from Liberty German's cellphone. John Terhune/Journal & Courier

Supt. Doug Carter of the Indiana State Police addresses the media as the latest details of the investigation into the murders of Liberty German and Abigail Williams Wednesday, February 22, 2017, at Delphi United Methodist Church. German and Williams murdered last week as they hiked the Monon High Bridge Trail just east of Delphi. Police released an audio clip believed to be that of the girl's killer taken from Liberty German's cellphone. Carter concluded his comments with a message to the person who murdered the two girls. ÒIf youÕre watching, we will find you,Ó Carter said. John Terhune/Journal & Courier

Carroll County Sheriff Tobe Leazenby speaks during a press conference for the latest updates on the investigation of the double homicide of Liberty German and Abigail Williams Thursday, March 9, 2017, at Carroll County Courthouse in Delphi. The two Delphi teens who were hiking the Delphi Historic Trails on February 13, were found dead a day later. Police said there is no new information to release from the investigation. John Terhune/Journal & Courier

Posters of slain Delphi teens Liberty German and Abigail Williams serve as a backdrop for a press conference for the latest updates on the investigation of the girls deaths Thursday, March 9, 2017, at Carroll County Courthouse in Delphi. The two Delphi teens who were hiking the Delphi Historic Trails on February 13, were found dead a day later. John Terhune/Journal & Courier

Mike Patty fields questions from the media during a press conference for the latest updates on the investigation of the double homicide of Liberty German and Abigail Williams Thursday, March 9, 2017, at Carroll County Courthouse in Delphi. The two Delphi teens who were hiking the Delphi Historic Trails on February 13, were found dead a day later. Patty, who is grandfather of Liberty German, spoke to members of the media. ÒThe pain will always be there,Ó he said. John Terhune/Journal & Courier

John Terhune/Journal & Courier
Mike Patty and his wife, Becky, depart a press conference updating the investigation of the deaths of Liberty German and Abigail Williams. ?The pain will always be there,? he said.
Mike Patty and wife Becky leave after speaking during a press conference for the latest updates on the investigation of the double homicide of Liberty German and Abigail Williams Thursday, March 9, 2017, at Carroll County Courthouse in Delphi. The two Delphi teens who were hiking the Delphi Historic Trails on February 13, were found dead a day later. Patty, who is grandfather of Liberty German, spoke to members of the media. “The pain will always be there,” he said. John Terhune/Journal & Courier, John Terhune/Journal & Courier

Posters of slain Delphi teens Liberty German and Abigail Williams serve as a backdrop for a press conference for the latest updates on the investigation of the girls deaths Thursday, March 9, 2017, at Carroll County Courthouse in Delphi. The two Delphi teens who were hiking the Delphi Historic Trails on February 13, were found dead a day later. John Terhune/Journal & Courier

Police handed out this flier Monday to passing motorist, hoping that someone might remember something from Feb. 13. That's when Libby German and Abby Williams were killed near the Monon High Bridge trail east of Delphi. Provided

Indiana State Police set up a checkpoint east of Delphi Monday. They passed out fliers about the Feb. 13 killings for Abby Williams and Libby German, hoping someone might remember something out of the ordinary. Ron Wilkins/Journal & Courier

The public is invited to a community trail walk in Delphi to the Monon High Bridge. The hike is in remembrance of Liberty German and Abby Williams, who were killed Feb. 13. The bridge was one of the last places they were before they encountered their killer. Ron Wilkins/Journal & Courier

Makeshift memorials to Libby German and Abby Williams, the Delphi teens killed Feb. 13, line the path near the Monon High Bridge, which is near the area where they encountered their killer. Ron Wilkins/Journal & Courier

WHAT YOU CAN DO: Anyone with information about the case may call the Delphi Homicide Investigation Tip Line at 844-459-5786; the Indiana State Police at 800-382-7537; the Carroll County Sheriff’s Department at 765-564-2413; or by email to Abbyandlibbytip@cacoshrf.com.

► Donations to the Libby and Abby Softball Park Fund may be made in care of the Carroll County Community Foundation, P.O. Box 538, Delphi, 46923. Online: www.cfcarroll.org.

IF YOU GO: A community candlelight vigil for Abby Williams and Libby German will be held at 6:30 p.m. Tuesday, Feb. 13, at the Delphi United Methodist Church, 1796 N. U.S. 421.